OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
Zimbra Collaboration Suite Alternatives
Zimbra Collaboration Suite is described as 'Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors' and is a Mail Server in the office & productivity category. There are more than 25 alternatives to Zimbra Collaboration Suite for a variety of platforms, including Web-based, Linux, Self-Hosted, Windows and Mac apps. The best Zimbra Collaboration Suite alternative is Microsoft 365 Copilot, which is free. Other great apps like Zimbra Collaboration Suite are Google Workspace, Roundcube, mailcow: dockerized and Nextcloud Hub.
Alternatives list
MailShogun is a plugin that creates domain emails easily. You can pick between your professional and regular e-mail address when sending or receiving from your regular g-mail account. One of the cheapest mail forwarding services you can find on the web.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.
The AI-powered client portal for professional & creative services. Streamline client onboarding and deliver a stellar customer experience.
Cost / License
- Paid
- Proprietary
Platforms
- Online
+5
Cost / License
- Free
- Proprietary
Application type
Platforms
- Linux
- BSD
- FreeBSD
- Debian
- Ubuntu
- Slackware
DeskNow is a fully featured and easy to use mail and collaboration server with build-in antivirus and antispam. SyncML for mobile devices is separately licensed.
EmailSuccess, an advanced SMTP Server (MTA) built from the ground up to handle the most critical reliability, performance, security, and deliverability requirements.
+1
Turnkey Solutions for the Enterprise Cloud
Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file sharing, and file transfers.
The Front Door To Your Business – The only all-in-one system. Control every aspect of your business with our all-in-one performance management platform for your teams (employees, partners and suppliers).
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
+8
Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.
Hub For Teams gives you and your team 100% control of your data and workspace. Enjoy enterprise collaboration features such as project management, discussion rooms, and much more.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)
+1
A privacy-first, all-in-one ecosystem that replaces Google Workspace and Creative Cloud. Features encrypted email, cloud storage, and docs, alongside a browser-based 3D animation engine and AI assistant. Your data stays yours.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
+9
China
United States
Italy
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